The homophones pour and pore are sometimes confused: typically pour replaces pore in some form of the phrase pore over. For readers who notice the error – and many do – it can conjure up surreal images of liquid people flowing over the material at hand.
The mistake is usually limited to casual contexts, but it occasionally slips through into edited prose, such as this Irish Independentstory from last week:
Merriam-Webster’s Concise Dictionary of English Usage says this mistaken use of pour “seems to be growing more common in less attentively edited publications”. Yet the words are not difficult to distinguish. Here are brief explanations, along with mnemonics – if you need them – to help remember the appropriate spellings.
Pore as a verb is usually followed by over, less often (but increasingly) by through, and sometimes – in the sense ‘to ponder’ – by on
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